Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 352, NWS Birmingham, AL

June 17, 2003Shelby County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 17, 2003, 5:12 PM CDT for Shelby County, Alabama. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 17, 2003, 5:12 PM CDT (22:12 UTC)
Expired: Jun 17, 2003, 5:45 PM CDT
In force: 33 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Shelby County, AL

The radar

The Birmingham radar (KBMX), 18 km from the middle of the area, began a volume at 22:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.2 hours before the alert went out and 17 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1195 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

409 
WUUS54 KBMX 172212
SVRBHM
ALC117-172245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
512 PM CDT TUE JUN 17 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHELBY COUNTY IN ALABAMA

* UNTIL 545 PM CDT

* AT 512 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM OVER PELHAM...MOVING NORTH AROUND 5 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CHELSEA...
HELENA...INVERNESS...LAKE PURDY AND OAK MOUNTAIN STATE PARK.

LARGE HAIL...EXCESSIVE LIGHTNING...AND DAMAGING WINDS ARE LIKELY.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM PASSES.

CALL 1-800-856-0758 TO REPORT SEVERE WEATHER.

LAT...LON 3330 8692 3334 8688 3334 8684 3346 8668
          3337 8655 3319 8676

$$

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 4:07 PM CDT	Severe Thunderstorm Warning	BMX	Winston	23 min
Jun 17, 4:33 PM CDT	Flash Flood Warning	BMX	Winston	117 min
Jun 17, 4:44 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	31 min
Jun 17, 5:06 PM CDT	Flash Flood Warning	BMX	Marion	114 min
Jun 17, 5:19 PM CDT	Flash Flood Warning	BMX	Jefferson	86 min
Jun 17, 5:51 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	19 min
Jun 17, 5:58 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	17 min
Jun 17, 6:03 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	27 min
Jun 17, 6:10 PM CDT	Flash Flood Warning	BMX	Shelby	2 hr
Jun 17, 6:41 PM CDT	Flash Flood Warning	BMX	Jefferson	79 min
Jun 17, 6:58 PM CDT	Flash Flood Warning	BMX	Blount	2 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.